Home / 9,639.59-14,449.54-5,470.79

Finding the Fourth Proportional to 9,639.59, 14,449.54 and 5,470.79

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Solution

The fourth proportional to 9,639.59, 14,449.54 and 5,470.79 is: 8,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.59 : 14,449.54 = 5,470.79 : x
  2. Step 2: Convert to fraction form
    9,639.59/14,449.54 = 5,470.79/x
  3. Step 3: Cross multiply
    9,639.59x = 14,449.54 × 5,470.79
  4. Step 4: Simplify right side
    9,639.59x = 79,050,371.58
  5. Step 5: Solve for x
    x = 79,050,371.58/9,639.59
  6. Step 6: Final answer
    x = 8,200.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.